South 91 Fire, Montana
This archive page covers the South 91 Fire in Montana, United States. Last known size: 5 acres (2 hectares) and was classified as Uncontained.
Activity & map
Timeline, Map & Situation
Timeline
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Size reported at approximately 5 acres (2.0 ha)
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Status: Uncontained
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Fire discovery / ignition reported
Map
45.4092, -108.4201
Current Situation
This archive page covers the South 91 Fire in Montana, United States. Last known size: 5 acres (2 hectares) and was classified as Uncontained.
Data for this incident was last refreshed 3 days ago.
The fire is near Laurel (39.8 km NW), Billings (42.1 km N), Lockwood (45.6 km N).
Smoke layers do not currently show a clear plume at the fire site. Nearby active fire activity includes 8 other incidents inside roughly 77 km.
Growth Trend
Growth history is still collecting. Points are saved when agency size or status changes.
Environment
Current Conditions
Current Conditions
Loading local weather…
Smoke
Layer analysis: Regional PM2.5 forecast haze is active on the live map; point density at this fire is not classified from plume polygons.
Open live smoke layer →Context
Nearby & Resources
Nearby Fires
View on MapRoad Closures
No full road closures reported within about 25 mi right now.
Nearby Communities
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Laurel
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Billings
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Lockwood
Largest Fires in Montana
Community
Report an Update
Insight
Why This Fire Matters
- One of the 10 largest active fires in Montana (currently ranked #9 among tracked incidents in this area).
- Fire has remained active for 6 days.
Technical Incident Details
| Fire Name | South 91 |
|---|---|
| Agency Fire ID | 2026-MTCRA-260864 |
| Country | United States |
| Province / State | Montana |
| Location | Big Horn |
| Latitude | 45.40924 |
| Longitude | -108.42012 |
| Last Updated | Jul 26, 2026, 7:26 PM PDT |
| Current Status | Uncontained |
| Tracking | Archive — no longer in live feed |
| Acres Burned | 5 ac |
| Containment % | — |
| Cause | Undetermined |
| Nearby towns | Laurel (25 mi NW), Billings (26 mi N), Lockwood (28 mi N) |
| Discovery Date | Jul 23, 2026, 5:22 PM PDT |
| Fire Type | OUT |
| Data Source | nifc-wfigs |
Questions
Frequently asked questions
What is the current size of this fire?
The last recorded size of the South 91 Fire was approximately 5 acres (2 hectares).
Where is this fire located?
The South 91 Fire is located in Montana, United States at approximately 45.4092, -108.4201. Nearby towns include Laurel (39.8 km NW), Billings (42.1 km N), Lockwood (45.6 km N).
Is this fire contained?
Agencies classify this fire as Uncontained. A numeric containment percentage is not available in the current feed.
When was it discovered?
Discovery (or first listed date) is recorded as 2026-07-24.
Is smoke affecting nearby communities?
No smoke plume is currently mapped near this fire in the smoke analysis layer.
What towns are near this fire?
Nearby settlements include Laurel (25 mi NW), Billings (26 mi N), Lockwood (28 mi N).
How many nearby fires are active?
There are 8 other active wildfires nearby.
What are current weather conditions?
Weather observations are unavailable for this location right now.
Is this fire still actively tracked?
This fire is no longer in the live active feed (last update 3 days ago).